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6mm-x%
x= 6mm * 100%/10cm =600/10cm=60%
P==4π5²
P=100π
Pskórki=4πr²
P=4π(0,6)²
P=4πx0,36
P=1,44π
100π-100%
1,44π-x%
x=1,44x100
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100
x=1,44%
Odp.Objętość obranej skórki to 1,44% Pomarańczy.